Network Status Indication - Quectel M10 Hardware Description

M10 Hardware Design
Data calling Change LOW, then：
（1）Change to HIGH when establish calling.
（2）Use AT command ATH, the RI changes to HIGH.
SMS When receive SMS, The RI will change to LOW and hold low level about
120 ms, then change to HIGH.
URC Some URCs triggers 120ms low level on RI. For more details, please refer
to the document [10]
If the module is used as caller, the RI will maintain high. However, when it is used as receiver,
following is timing of ring.
RI
HIGH
LOW
Power on
RI
HIGH
LOW
Power on calling

3.16 Network status indication

The NETLIGHT signal can be used to drive a network status indication LED lamp. The working
state of this pin is listed in following table:
Table 24: Working state of the NETLIGHT
State
Off
M10_HD_V1.00
MO or MT
Ring
Hang up
Figure 34 : Module Services as Receiver
Echo talking
Figure 35 : Module Services as caller
Module function
The module is not running
Hang on MO or MT
Ring
(talking) Hang up
Hang up
Ring
calling Echo Hang up
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